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If the `p^(th)`, `q^(th)` and `r^(th)` terms of a G.P. are `x`, `y`, `z` respectively. then show that : `x^(q-r)`.`y^(r-p).z^(p-q)=1`

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UNITED BOOK HOUSE-MODEL QUESTION PAPERS-SET 2-EXERCISE
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  2. If a+ib=sqrt((x+iy)/(p+iq)),show that (a^2+b^2)^2=(x^2+y^2)/(p^2+q^2)

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  4. The co-efficients of the expansion of (1+x)^(2n-1)and (1+x)^(2n)are P ...

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  6. Find the equations of straight line which are perpendicular to the str...

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  8. Find the equations of the two straight line parallel to the line 3x+4y...

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  9. Evaluate :lim(xrarr0)((a+x)^2sin(a+x)-a^2sina)/pi

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  11. If n is a such real number that n>3 .then n^2>9 prove it by the method...

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  13. Find the mean of first ten natural numbers

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  15. Find the value of 1/2sec80^@-2cos20^@

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  16. Find the common solution region by graphical method.2x + y ge 2, x - y...

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  17. Solve.sqrt3x^2-sqrt2x+3sqrt3=0

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  18. Find the sum to n terms :1/2+3/2^2+5/2^3+...+(2n-1)/2^n

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