Easy Math Class 11 Level 1

What is the coefficient of x² in (1+x)^4?

(1+x)^4 में x² का coefficient क्या है?

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Correct Answer

B. 6 / 6

Explanation

Step 1: In (1+x)^n the coefficient of x^r is nCr. Step 2: Here the coefficient is 4C2 = 6. Step 3: While finding a binomial coefficient treat the power as r.

Step 1: (1+x)^n में x^r का coefficient nCr होता है। Step 2: यहां coefficient 4C2 = 6 है। Step 3: Binomial coefficient निकालते समय power को r मानें।

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