Question

Is y^2/10 +1 a polynomial

Answer 1

ANS.

100

SOLUTION

Let the sum be denoted by Swe can see that except the last term all the terms are in G.P with a =109 and r=1110

Hence ⇒S10=109(111010−1)1110−1−1110=1010(111010−1)−1110⇒S=10×1010=100(10)9

Therefore,  k=100