11.a) Prove that: C1–2C2+3C3–...+n(–1)^(n–1).Cn=0 if (1+x)ⁿ=C0+C1x+C2x²+...+Cnxⁿ. Class 12 Binomial

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11. If (1+x)ⁿ=C0+C1x+C2x²+...+Cnxⁿ.
Prove that:
a) C1–2C2+3C3–...+n(–1)^(n–1).Cn=0

Class 12 Binomial

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Class-12, Lesson 2 Binomial Theorem Exponential and Logarithmic series. Maths Sukunda Publication. NEB . Easy solutions.

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