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Finding Square of a Number Using Identity

Find: 992

Question

Find:
$99^{2}$

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Solution

$= 99^{2} = 99 \times 99 = 9801$

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Similar questions

Find the value of $(99)^{2} .$

Find the greatest number (1) 992______98 (2)121_______16

Q. Find the value of

101^{2} - 99^{2} =

Q. Using standard identity, find the value of

99^{2}

.

100^{2} - 99^{2} + 98^{2} - 97^{2} + 96^{2} + 95^{2} + . . . . = S

S = ?

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