a = 3, b = 2 হলে (8a - 2b) + (-7a + 4b) এর মান কত? 

A

B 4

C

D 15

Solution

Correct Answer: Option C

দেওয়া আছে, a = 3, b = 2
∴ প্রদত্ত রাশি = (8a - 2b) - (-7a + 4b)
= 8a - 2b - 7a + 4b
= a + 2b
= 3 + 2.2
= 3 + 4
= 7

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