√X + √64 = 9.1. If so, what is the value of x?

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√ X + √ 64 = 9.1 ആയാൽ x ന്റെ വില എന്ത്?

A1.2

B1.22

C1.1

D1.21

Answer:

√ X + √ 64 = 9.1

√ X + 8 = 9.1

√ X = 9.1 – 8

√ X = 1.1

√ X ഇന്റെ √ കളയുവാൻ, വർഗ്ഗം എടുത്താൽ മതിയാകും

(√ X)² = (1.1)²

X = 1.21

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