Question

Simplify the following using indenties (10)² +(20)²

Answer 1

Answer:

A2+B2+2AB ,

Put this formula

(10)² +(20)²

(10)2+(20)2+2(10)*(20)

100+400+200*2

500+400

900

Here is the answer

Answer 2

Step-by-step explanation:

This can be written as (10+20)^2

we know, (a+b)^2=a^2+2ab+b^2

(10+20)^2= (10)^2+2×10×20+(20)^2

= 100+400+400

= 900.

So this is the required ans....hope this will help u dear