Question

Evaluate using suitable identities :53×55

Answer 1

Answer:

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ANSWER IS 2915 .

Step-by-step explanation:

53 = 54 - 1

55 = 54 + 1

By identity , (a + b)(a - b) = a^2 - b^2

So ,

53*55 = (54 - 1)(54 + 1)

= 54^2 - 1^2

= 2916 - 1

= 2915

Answer 2

Answer:

your answer is 2915

Step-by-step explanation:

53x55=(55-2) (55+0),

by using the identity (X+a) x (X+b)=X^2+ X(a+b)+ab

=55^2+55(-2+0)+-2x0

=2915

hope it helps

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