Question

if (10^11+25)^2 -(10^11_25)^2=10^n then find the value of n​

Answer 1

Step-by-step explanation:

for your kind information I must tell you how

(a+b)^2-(a-b)^2=4ab

LHS:

(a+b)^2-(a-b)^2

=a^2+b^2+2ab-(a^2+b^2-2ab)

=a^2+b^2+2ab-a^2-b^2+2ab

=2ab+2ab

=4ab (proved)

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