Question

EXERCISE 5.3
1. Verify the Identity (a - b) = a^2-2ab+b^2 for a 9 and b=4​

Answer 1

Step-by-step explanation:

9^2-2*9*4+4^2=(9-4)^2

81-72+16=5^2

97-72=25

25=25

hence proved

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