Question

Find the value of x : 5x=40x^-1/2

Answer 1

Answer:-

$5x = 40x {}^{ - 1 \div 2}$

$5x = 40 \div {x}^{0.5}$

$x = 8 \div {x}^{0.5}$

$x \times {x}^{0.5} = 8$

$x {}^{1.5} = 8$

${x}^{1.5} = {4}^{1.5}$

$x = 4$

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