add (3m²n+5mn²)+(2m²n+mn²)
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Answer:
Add:(i)3mn-5mn,8mn-4mn(ii)t-8tz,3tz-z,z-t
Evaluate: lim_(nrarroo) [(1)/(n+m)+(1)/(n+2m)+(1)/(n+3m)+...+(1)/(n+nm)]
The direction cosines of two lines are given by the equations 3m+n+5l=0, 6nl-2lm+5mn=0. find the angle between them
Find the value of the products: (3m-2n)(2m-3n) at m=1,n=-1
If m>1,n in N show that 1^(m)+2^(m)+2^(2m)+2^(3m)++2^(nm-m)>n^(1-m)(2^(n)-1)^(m)
Prove that the lines whose directioncosines are given by the equtions l+m+n=0 and 3lm-5mn+2nl=0 are mutually perpendicular.
(2m+5)/(3)=3m-10
If f(2m+(n)/(8),2m-(n)/(8))=mn, then f(x,y)+f(y,x)=0
The direction cosines of two lines satisfying the conditions l + m + n = 0 and 3lm - 5mn + 2nl = 0 where l, m, n are the direction cosines. The value of lm+mn + nl is
The lengths of the perpendiculars from the points (m^(2), 2m), (mn, m+n) and (n^(2), 2n) to the line x+sqrt3y+3=0 are in
The lengths of the perpendiculars from (m^(2),2m),(mn,m+n) and (n^(2),2n) to the straight line os x cos alpha+y sin a+sin alpha tan alpha=0 are in
The number of ways in which we can distribute mn students equally among m sections is given by a.((mn!))/(n!) b.((mn)!)/((n!)^(m))c((mn)!)/(m!n!)d.(mn)^(m)
If ^(m)C_(1)=^(n)C_(2) then 2m=nb2m=n(n+1) c.2m=(n-1)d2n=m(m-1)
Write the degree of the polynomial m^(3)n^(7) -3m^(5)n + mn
Add and subtract (i) m-n,m+n (Ii) mn=5-2,mn+3
If sin A+cos A=m and sin^(3)A+cos^(3)A=n then (1)m^(3)-3m+n=0 (2) n^(3)-3n+2m=0(3)m^(3)-3m+2n=0 (4) m3+3m+2n=0
A constant force F=(hati+3hatj+4hatk)N acts on a particle and displace it from (-1m,2m,1m)to(2m,-3m,1m).
If the middle term amongst any odd number (n) consecutive terms of an A.P, is m, then their sum is (a) 2m^2n (b) (mn)/2 (c) mn (d) mn^2
Prove that (mn)! Is divisible by (n!)^(m) and (m!)^(n) .
An angle between the lines whose direction cosines are given by the equations, 1+ 3m + 5n =0 and 5 lm - 2m n + 6 nl =0, is :
If m + n = 7 and mn = 12, then (m^(2)-mn + n^(2)) Find the value of
An object is displaced from point A(2m,3m,4m,) to a point B (1m,2m,3m)N. Find the work done by this force in this process.
Find the angle betwween the two straight lines whose direction l,m,n are given by 2l+2m-n=0 and mn+nl;+lm=0
Prove that the simple lines whose problems - cosine 2l+2m-n=0 And mn+nl+lm=0 Is given by, is interrelated.
The direction cosines of two lines satisfy 2l+2m-n=0 and lm+mn+nl=0 . The angle between these lines is
Simplify : 8m-[3m-{3m-{2m+3-2(4m-4)}]
A body of mass 2 kg is acted upon by two forces vecD_(1)=(2hati+3hatj)N and vecF_(2)(-2hatk+3hatj)N. If the body is displaced from A(3m, -2m, 1m) to B (-1m, +2m,-3m), then work done on the body is
If [m,n][[mn]]=[25] and (m,n)
If a,m,n are positive integers,then {anm}^(mn) is equal to a^(mn)( b) a(c)a^((m)/(n))(d)1
Third law If a is a non-zero rational number and mn are integers then (a^(m))^(n)=a^(mn)=(a^(n))^(m)
(2m^(2)-3m+10)-:(m-5)
((-21)/(2)m)/(2)=(7)/(2)n mn ne 0 {:(Quantity A,Quantity B),(3m,-n):}
Prove that there are simple lines whose deciduous equations 2l + 2m - n=0 And mn + n l + lm =0 It is derived from each other.
Fractorise: 2m(1-n) + 3( 1-n)
If 6m-n=3m+7n , then find the value of (m^(2))/(n^(2))
Multiply: {2m+(-n)}by{-3m+(-5}
Number of N-Mn-Cl bonds [N-Mn bonds is cis to Mn-Cl bond] in cis [ Mn(en)_(2)Cl_(2)] are
If a^m a^n =a^(mn) , then express m in terms of n.
Add: 3/4\ a n d\ \ 5/6
A force of (4x^(2)+3x)N acts on a particle which displaces it from x=2m to x = 3m . The work done by the force is