Math, asked by hamza10234, 2 months ago

(4x+5y)^2 +(4x-5y)^2=

Answers

Answered by roshikhan0022

3

Answer:

32x² + 50y²

Step-by-step explanation:

Using indetity = ( a + b )² + ( a - b )² = 2( a² + b²)

= 2 [ (4x²) + (5y²) ]

= 2 [ 16x² + 25y² ]

= 32x² + 50y² Ans.

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