1.

1575 \div 21 \div 5 = \sqrt { ? } \times 6

Answer»

last step is wrong in previous answer

1575÷21÷5 = Root? × 6Let The Unknown Number Be X => 75 ÷ 5 = Root(x) × 6=> 15 = Root(×) × 6=> 15÷6 = Root(x)=> 5 ÷ 2 = Root(x) Squaring Both The Sides....

=> (5÷2)^2 = x=> 25÷4 = x

Value Of x = 25÷4=



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