Question

21 please solve the question please my sister and brothers.​

Answer 1

Answer:

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please mujhe like karna Maine mehnat se question banaya hai

Answer 2

Answer:

${(1.02)}^{2} - {(0.23)}^{2} = {( 1.02 - 0.23 )}^{2} = 0.9875 \\ (by \: using \: the \: law \: of \: {a}^{2} - {b}^{2} = {(a - b)}^{2} )$

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