Question

find the product of 103*97 using appropriate identities​

Answer 1

Answer:

Hey friend here is your answer

Step-by-step explanation:

100*97

We can write it as

(100 + 3) * (100 - 3)

(100 + 3)(100-3)

Using the identity

$x + y * x - y\\ = x ^{2} - y^{2} Putting x = 100\\y= 3\\(100)^{2} - ( 3 )^{2}\\ 10000 - 9 = 9991$

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