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Evaluate (sqrt(3)+sqrt(2))^6-(sqrt(3)-sq...

Evaluate `(sqrt(3)+sqrt(2))^6-(sqrt(3)-sqrt(2))^6dot`

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`\ ^{n} C_{r}=frac{n !}{(n-r) !(r) !}`
(ii) `(a+b) n=\ ^{n} C_{0} a^{n}+\ ^{n} C_{1} a^{n-1} b+\ ^{n} C_{2} a^{n-2} b^{2}+ldots+\ ^{n} C_{n-1} a b^{n-1}+\ ^{n} C_{n} b^{n}`
` (a+b)^{6}=\ ^{6} C_{0} a^{6}+\ ^{6} C_{1} a^{6-1} b+\ ^{6} C_{2} a^{6-2} b^{2}+\ ^{6} C_{3} a^{6-3} b^{3}+\ ^{6} C_{4} a^{6-4} b^{4}+\ ^{6} C_{5} a^{6-5} b^{5}+\ ^{6} C_{6} b^{6} `
`Rightarrow\ ^{6} C_{0} a^{6}+\ ^{6} C_{1} a^{5} b+\ ^{6} C_{2} a^{4} b^{2}+\ ^{6} C_{3} a^{3} b^{3}+\ ^{6} C_{4} a^{2} b^{4}+\ ^{6} C_{5} a b^{5}+\ ^{6} C_{6} b^{6} ldots text { (i) } `
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RD SHARMA-ARITHMETIC PROGRESSIONS-Solved Examples And Exercises
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  2. Find: 18th term of the A.P. sqrt(2),\ 3sqrt(2),\ 5sqrt(2) ddot

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  3. Evaluate (sqrt(3)+sqrt(2))^6-(sqrt(3)-sqrt(2))^6dot

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  4. If the sequence an is A.P., show that a(m+n)+a(m-n)=2amdot\

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  5. Which term of the A.P. 3,8,13… is 248?

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  6. Which term of the A.P. 84,80,76… is 0?

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  7. Which term of the A.P. 4,9,14… is 254?

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  8. Is 68 as term of the A.P. 7,10,13,…?

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  9. Is 302 a term of the A.P. 3,8,13,…?

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  10. Which term of the sequence 24 ,\ 23 1/4,\ 22 1/2,\ 21 3/4 is the first...

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  11. Which term of the sequence 12+8i ,\ 11+6i ,\ 10+4i ,... is (a) purely ...

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  12. How many terms are there in the A.P. 7,10,13,…43?

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  13. How many terms are there in the A.P. -1,\ -5/6,\ -2/3,-1/2,\ ,(10)/3?

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  14. The first term of an AP. is 5, the common difference is 3 and the last...

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  15. The 6th and 17th terms of an A.P. are 19 and 41 respectively, find t...

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  16. If 10 times the 10th term of an A.P. is equal to 15 times the 15th t...

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  17. The 10th and 18th terms of an A.P. are 41 and 73 respectively. Find...

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  18. In certain A.P. the 24th term is twice the 10th term. Prove that th...

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  19. If the nth term of the A.P. 9,7,5,... is same as the nth term of the A...

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