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- Question 5 Exercise 7.2
- }$. $b=b x$ and $n=8$ Since $n-8$ is a the even number of terms in the expansion are $8+1=9$ The middle ... {2}$ and $n=9$. Since $n=9$ is odd so the total number of terms in the expansion are $9+1=10$. So in th... }$ and $n=10$. Since $n-10$ is even so the total number of terms in the expansion are $10_{\neg} 1=11$.
- Question 1 Review Exercise 7
- ">(c): $28$ </collapse> iii. How many six digits number can be formed from the digits $\{1,2,3,4,6,7,8\}$... collapsed="true">(d): $4775$</collapse> vii. The number of all possible matrices of order $3 \times 3$ wi... polynomial of degree (a) 5 (b) 6 (c) 7 (d) 8 (iv) Number of terms in expansion of $(\sqrt{x}+\sqrt{y})^{10
- Question 2 Review Exercise 7
- , $b=3 y$ and $n=8$. Since $n=8$ is cven thus the number of terms are even and the middle term is $\frac{8
- Question 7 & 8 Review Exercise 7
- Prove that $(1+x)^n \geq(1+n x)$, for all natural number $n$ where $x>-1$. - Solution: We try to prove thi