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{[80×20]+[62×1/6]}×[(4/7)12÷(4/7)10]

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{[8⁰×2⁰]+[6²×1/6]}×[(4/7)¹²÷(4/7)¹⁰]

Posted by Sindhu Dinesh 6 years, 8 months ago

CBSE > Class 08 > Mathematics

1 answers

Rashmi Bajpayee 6 years, 8 months ago

{tex}\left[ {\left\{ {{8^0} \times {2^0}} \right\} + \left\{ {{6^2} \times {1 \over 6}} \right\}} \right] \times \left[ {{{\left( {{4 \over 7}} \right)}^{12}} \div {{\left( {{4 \over 7}} \right)}^{10}}} \right]{/tex}

= {tex}\left[ {\left\{ {1 \times 1} \right\} + \left\{ {{6^{2 - 1}}} \right\}} \right] \times \left[ {{{\left( {{4 \over 7}} \right)}^{12 - 10}}} \right]{/tex}

= {tex}\left[ {1 + 6} \right] \times \left[ {{{\left( {{4 \over 7}} \right)}^2}} \right]{/tex}

= {tex}7 \times {4 \over 7} \times {4 \over 7}{/tex}

= {tex}{{16} \over 7}{/tex}

= {tex}2{2 \over 7}{/tex}

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