\sqrt{3^{x}=81 అయిన x విలువ ఎంత?

TS Police Constable Telugu Model Paper 8

Question : 59 of 199

Marks: +1, -0

√{3^{x}}=81

అయిన x విలువ ఎంత?

Solution:

√{3^{x}}=81⇒(√{3^{x}} )^{2}=(81)^{2}

3^{x}= (3^{4} )^{2} ⇒3^{x}=3^{8}

∴ x=8

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