Question

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Answer 1

Step-by-step explanation:

(a)

$\sqrt{ {3}^{x} } = {3}^{3}$

${3}^{x \div 2} = {3}^{3}$

$x \div 2 = 3$

$x = 6$

Ans. x = 6

(b)

$\sqrt{169 \div x} = 1.3$

$13 \div \sqrt{x} = 1.3$

$\sqrt{x} = 10$

$x = 100$

Ans.

(c) √x = 762 / 127 = 6

x = 36 Ans.

(d) (-5/6) ^ (4x+3-3x-5) = (-5/6) ^4

then,

4x + 3 - 3x - 5 = 4

x = 6

Ans.