Question

. Find the value of 'a' 2 2a x 2 2a = 128

Answer 1

$22a \times 22a = 128 \\ {a}^{2} = \frac{128}{22 \times 22} \\ a = \sqrt{ \frac{128}{22 \times 22} } \\ a = \sqrt{128} \div 22 \\ a = \frac{8 \sqrt{2} }{22} \\ a = \frac{4 \sqrt{2} }{11}$