TBQ - Find the square of a number — task. Mathematics CBSE, Class 9 New.

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Use the identity \((a + b + c)^2 = a^2 + b^2 + c^2 + 2ab + 2bc + 2ca\), to find the square of a number 215.

Ans:

{(i + i + i)}^{i} = i

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3. TBQ - Find the square of a number