Math, asked by sonalis94, 1 year ago

tell me answer of this 12th question 3rd part

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Answered by shivshankar66

1

anssss..............

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sonalis94: thank you

Answered by radhikaj123

1

165×155

=(160+5)(160-5)

using identity a²-b²=(a-b)(a+b)

=160²-5²

=25600-25

=25575

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