Panda1Lover Panda1Lover

26-03-2016
Mathematics

Answered

Solve for x.

x^2=81/121

Verified Answer :

garydesir1 garydesir1

26-03-2016

Take square root

x= +_ square root 81/121

x= 0.818182, -0.818182

I hope that's help and have a great night .

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Divyankasc Divyankasc

26-03-2016

x² = 81/121

Now, Root both the sides of the equation.

√(x)² = √(81/121)
x = √81 / √121

Now,
81 = 9 × 9 or -9 × -9
So,
√81 =± 9

Again,
121 = 11 × 11 or -11 × -11
So,
√121 = ±11

x = ±9/11

Answer Link

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