solve this now very fast everyone
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Q2
a)5
b)1
c)quadrant ii
d)70cm^2
e)k=-3
Q3 1/5 , 2/5
Q4 use identity a^2-b^2= (a-b) (a+b)
ans= y^4-9/4
Q5 9000 cm^2
Q6 (x+y)^3= x^3+y^3 + 3xy (x+y)
ans =1/x^3 + y^3/27 + y/x^2 + y^2/3x
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