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OBJECTIVE RD SHARMA-QUADRATIC EXPRESSIONS AND EQUATIONS -Exercise
- The roots of the equation log2 (x^2 - 4 x + 5) = (x - 2) are
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- If one root of the equation ax^2+bx+c=0 is double the other, then the ...
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- If e^(cos x) -e^(-cos x) = 4, then the value of cos x, is
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- If one root of the polynomial f(x)=5x^2+13 x+k is reciprocal of the ot...
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- If the equations k(6x^2+3)+rx+2x^2-1=0 and 6k(2x^2+1)+px+4x^2-2=0 have...
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- If x=2+2^(2/3)+2^(1/3), then the value of x^3-6x^2+6x is:
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- Find the number of quadratic equations, which are unchanged by squarin...
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- If the equation x^2-3kx+2e^(2logk)-1=0 has real roots such that the pr...
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- If one root of x^(2) + px+12 = 0 is 4, while the equation x ^(2)...
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- If the roots of the equation x^2-px+q=0 differ by unity then
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- If alpha, beta are roots of the equation ax^2 + bx + c = 0 then the...
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- The number of roots of the equation, x-2/(x-1)=1-2/(x-1) is 0 (b) 1 ...
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- The number of real roots of the equation |x|^(2) -3|x| + 2 = 0, is
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- If the equation a/(x-a)+b/(x-b)=1has two roots equal in magnitude and ...
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- If one of the roots of the equation ax^2 + bx + c = 0 be reciprocal ...
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- If sin alpha and cos alpha are roots of the equation px^2 + qx+r=0 th...
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- If x-c is a factor of order m of the polynomial f(x) of degree n(1<m<n...
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