Question

Q1)(i) 2x²-4x+5-1/3(x²-5x+7)
(ii)[x²-4x-1-(2x²-5x-2)]-(6x²-2x+1)

Q2)(i) (1/2y²-1/3y-1)-(1/3y²-1/2y-3)-(1/4y²-1/3y-1/2)
(ii) -2a²bc -1/2ab²c+1/3abc²+1/2a²bc -1/3ab²c+1/2abc²

Q3)multiply 2/3ab²c with 4/3a²b³c⁴

Q4)find the product of
-4xy²,2/3xz²,4/5xyz and xy²z

Q5) multiply x²+x+1 by x²-x+1

Q6) multiply 5x-2/3xy² by 1/7xy

Q7) multiply 4xyz-2xy by -3/5 xy

Q8) find the value of
(6x³)×(-7x²y²)×(1-1xy) at x=1
y=o.5

Q9) simplify
(-1/2xyz)×(-3/4x²yz)×(4/3xy²z²)×(2xyz)

Q10) multiply (x+y+z) with( x²+y²+z²-xy-yz-zx)


SOLVE AS MANY AS U CAN BUT PLEASE DO IT QUICK AND WITH EXPLANATION​

Answer 1

Answer:

nth term of an A.P (an) = pn + q

To find: Common Difference (d)

Proof: We know that,

an = a + (n – 1)d

⇒ pn + q = a + (n – 1)d [given]

⇒ pn + q – a = (n – 1)d