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If A+B+C=0 , then the value of sin^2A+co...

If `A+B+C=0` , then the value of `sin^2A+cosC(cosAcosB-cosC)+cosB(cosAcosC-cosB)` is equal to: `-1` (b) 0 (c) 1 (d) none of these

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RESONANCE DPP-JEE MAINS-All Questions
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  2. The number of positive integral solutions of, (x^2(3x-4)^3(x-2)^4)/((x...

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  3. If A+B+C=0 , then the value of sin^2A+cosC(cosAcosB-cosC)+cosB(cosAcos...

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  4. If x=3-sqrt(8), then x^3+1/(x^3) is equal to 6 (b) 198 (c) 6sqrt(2)...

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  7. If A , B , C are three real numbers and p=[A+b+C] and q=[A]+[B]+[C]dot...

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  8. Value of [2/((log)4(2000)^6)+3/((log)5(2000)^6)]i s 4^(1/3). 5^(1/2)...

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  9. If b^2>4a c then roots of equation a x^4+b x^2+c=0 are all real and di...

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  10. If a x^2+b x=6=0 does not have distinct real roots, then find the leas...

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  11. (log)3(1+1/3)+(log)3(1+1/4)+(log)3(1+1/5)+ddot+(log)3(1+1/(242)) when...

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  16. If x=prod(n=1)^(2000)n , then the value of the expression, 1/(1/((log...

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  17. The sum of [1/2]+[1/2+1/(2000)]+[1/2+2/(2000)]+[1/2+3/(2000)]++[1/2+(1...

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  18. The complete solution set of the inequation, -2<[x+2]lt=5w h e r e[dot...

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  19. Let N=((log)3 135)/((log)(15)3)-((log)3 5)/((log)(405)3)dot Then N is ...

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