Question

which term should be inserted to make x2+......+25y2 as perfect square?

Answer 1

Answer:

is 10xy

Step-by-step explanation:

x^2+10xy+25y^2

.

by (a+b)^2= x^2+10xy +25y^2

a=x b=5y=(X+5y) (X+5y)

=x^2+2(X((y)+25y^2

=x^2+2(X)(5y)+25^2

=x^2+10xy +25^2

^2= power of 2

I think it is correct

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