MCQ
${({x^2} - x - 1)^{99}}$ ના સહગુણકનો સરવાળો મેળવો.
- A$1$
- B$0$
- ✓$-1$
- Dએકપણ નહિ.
we get the sum of the coefficient of ${({x^2} - x - 1)^{99}}$
= ${({1^2} - 1 - 1)^{99}} = - 1$.
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