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If a ,b ,c are first three terms of a G....

If `a ,b ,c` are first three terms of a G.P. If the harmonic mean of a and b is 20 and arithmetic mean of b and c is 5, then

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RESONANCE DPP ENGLISH-BOARD PAPER SOLUTIONS-All Questions
  1. Draw graph of the following expression. Also find extremum value if it...

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  2. Draw graph of y=|3x-5|

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  3. The number of integral value(s) of x satisfying the equation |x^4 .3^(...

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  4. The complete solution set of the inequation sqrt(x+18)<2-x , is (-18 ,...

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  5. If ln^(2)x+3lnx-4 is non negative, then x must lie in the interval :

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  6. If log2,log(2^x-1)a n dlog2log(2^x+3) are in A.P., write the value of ...

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  7. The n^(t h) term of the sequence 5+55+555+... is a.5xx10^(n-1) b. 5xx...

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  8. If x^(2)+ax+10=0and x^(2)+bx-10=0 have common root, then a^(2)-b^(2) i...

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  9. If the equation x^2=a x+b=0 has distinct real roots and x^2+a|x|+b=0 h...

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  10. Sum of an infinitely manu terms of a G.P. is 3 times the sum of even t...

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  11. Draw graph of y=|3x-5| b. y=|2x+1|

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  12. The set of all values of ' a ' for which the quadratic equation 3x^2+2...

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  13. |(x^(2)+2x+2)+(3x+7)|lt|x^(2)+2x+2|+|3x+7|

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  14. If a ,b ,c are first three terms of a G.P. If the harmonic mean of a a...

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  15. Solve the equation: |x+1|-|x|+3|x-1|-2|x-2|=x+2

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  16. Solve the following |x^2-1|+|x^2-4|lt=3

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  17. Let y=1/(2+1/(1+1/(2+1/(1+1/( ))))) , then the value of y is a.(...

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  18. For the series, S=1+1/((1+3))(1+2)^2+1/((1+3+5))(1+2+3)^2+1/((1+3+5+7)...

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  19. If x epsilon R, the numbers 2^(1+x)+2^(1-x), (b)/(2), 36^(x)+36^(-x) ...

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  20. Draw graph of the following expression. Also find extremum value if it...

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