3 years ago

If a=x+y and b=x-y show that (a+b)2=4x2

1 answer:

Tema [17]3 years ago

5 0

Answer:

see explanation

Step-by-step explanation:

a + b = x + y + x - y = 2x , then

(a + b)² = (2x)² = 4x² ← as required

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If a=x+y and b=x-y show that (a+b)2=4x2​