If ${}^{22}C_r$ is the largest binomial co-efficient in the expansion of $(1 + x)^{22}$, find the value of ${}^{13}C_r$.

> > > [!TLDR] > For $(1+x)^{22}$ (even index), the largest binomial coefficient occurs at the middle term $r=n/2=11$; then evaluate $^{13}C_{11}$. > …

If ²²Cr is the largest binomial co-efficient in th

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{}^{22}C_r

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{}^{22}C_r

Andhra Pradesh BieapBIEAP Intermediate Board 2020Subjective· 2mImportance★★★★★est

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You're viewing a preview — the full solution, concept, methods & PYQ mapping are locked.

For $(1+x)^n$ with even $n$ , the larg …

Q.If ${}^{22}C_r$ is the largest binomial co-efficient in the expansion of $(1 + x)^{22}$ , find the value of ${}^{13}C_r$ .

Q.If ${}^{22}C_r$ is the largest binomial co-efficient in the expansion of $(1 + x)^{22}$ , find the value of ${}^{13}C_r$ .

Q.If 22Cr{}^{22}C_r22Cr​ is the largest binomial co-efficient in the expansion of (1+x)22(1 + x)^{22}(1+x)22, find the value of 13Cr{}^{13}C_r13Cr​.

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Q.If 22Cr{}^{22}C_r22Cr​ is the largest binomial co-efficient in the expansion of (1+x)22(1 + x)^{22}(1+x)22, find the value of 13Cr{}^{13}C_r13Cr​.

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Q.If ${}^{22}C_r$ is the largest binomial co-efficient in the expansion of $(1 + x)^{22}$ , find the value of ${}^{13}C_r$ .

Unlock the full solution

Q.If ${}^{22}C_r$ is the largest binomial co-efficient in the expansion of $(1 + x)^{22}$ , find the value of ${}^{13}C_r$ .

Unlock the full solution