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Of f(x)=p x^2+q x+r is a quadratic expre...

Of `f(x)=p x^2+q x+r` is a quadratic expression such that `[a^2a1b^2b1c^2c1][f(0)f(1)f(-1)]=[2a+1 2b+1 2c+1]` for three unequal numbers `a ,b ,c` then `p=3/2` (b) `q=-1/2` (c) `r=1` (d) `p+q+r=2`

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RESONANCE DPP-JEE MAINS-All Questions
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  2. A A B C is formed by the lines 2x-3y-6=0;3x-y+3=0a n d3x+4y-12=0. If ...

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  3. Of f(x)=p x^2+q x+r is a quadratic expression such that [a^2a1b^2b1c^2...

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  4. Let the algebraic sum of the perpendicular distances from the points (...

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  5. If the equation of the locus of a point equidistant from the points (a...

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  6. Find the coefficients of x^7 in (a x^2+1/(b x))^(11)a n dx^(-7)in(a x^...

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  7. Two vertices of a rectangle are on the positive x-axis. The other two ...

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  8. Let the co-ordinates of the two points A&B be (1, 2) and (7, 5) respec...

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  9. The largest value of x for which the fourth tem in the expansion (5^2/...

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  10. The coordinate axes are roted about the origin O in the counterclockwi...

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  11. Match the following column s: Column-I|Column-II Negation of (~ pvecq)...

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  12. The sum underset(i=0)overset(3m)(sum)((20),(3m-i)), where ((p),(q))=0 ...

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  13. Sum of the infinite series 1/(2!)+(1+2)/(3!)+(1+2+3)/(4!)+ tooo e/3 b...

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  14. Find n in the binomial (2 3+1/(3 3))^n , if the ration 7th term from t...

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  15. Sum the series from n=1ton=oo, whose nth term is 1/((n+1)!)

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  16. Given the family of lines a (3x +4y+6)+b(x + y + 2) = 0 The line of th...

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  17. If in the expansion of (1+x)^m (1-x)^n, the coefficients of x and x^2 ...

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  18. The coefficient of x^6 in series e^(2x) is 4/(25) b. 3/(45) c. 2/(45) ...

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  19. If the chord y=mx+1, of the circle x^2+y^2=1 subtends an angle of meas...

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  20. Find the sum of the coefficients of all the integral powers of x in th...

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