Question

a square +B square ka sutra​

Answer 1

Step-by-step explanation:

( a + b )² = a² + b² + 2ab

so shifting 2ab left side

( a + b )² - 2ab = a² + b²

a² + b² = ( a + b )² - 2ab

Answer

Answer 2

Answer:

a²+ b² = (a+b)² - 2 ab

Derivation:

We know that (a+b) ² = a²+b²+2ab

Solving the equation--

a²+b²= (a+b)²-2ab