x√0.09 = 3 হলে, x এর মান কত?
Solution
Correct Answer: Option C
x√0.09 = 3
⇒ x = 3/√0.09
⇒ x2 = 32/0.09
[বর্গ করে]
⇒ x2 = 9 × 100/9
⇒ x2 = 102
∴ x = 10
⇒ x = 3/√0.09
⇒ x2 = 32/0.09
[বর্গ করে]
⇒ x2 = 9 × 100/9
⇒ x2 = 102
∴ x = 10
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