Question

using identities,find the value of (4.9)^2​

Answer 1

Answer:

$(4.9) {}^{2} = (5 - 0.1) {}^{2} \\ = we \: know \: that \: (x - y) {}^{2} = x {}^{2} + y {}^{2} - 2xy \\ so \: (5 - 0.1) {}^{2} = 25 + 0.01 - 1 \\ = 25.01 - 1 = 24.01 \: \: ans$

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Answer 2

Step-by-step explanation:

$\bf \: Question \:$

using identities,find the value of (4.9)^2

$\bf \: solution \: \: \:$

Find It

$\bf \: the \: value \: of \red{ {(4.9)}^{2} }$

Solve:-

$\red{ \bf( {4.9})^{2} = 24.01}$

Hence solve