Question

Evaluate 102x97 using identity

Answer 1

Answer:

the correct question is .

102 × 98

- > correct answer

102 * 98

= ( 100 + 2)( 100 -2)

= 100² - 2²

= 1000 - 4

= 9996

Step-by-step explanation:

formula used : ( a + b)( a - b) = a² - b²

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Answer 2

Answer:

9894

Step-by-step explanation:

use the identity (x+a)(x+b)=x^2+ax+bx+ab

write it as 102×97=(100+2)(100-3)

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