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The equation formed by multiplying each ...

The equation formed by multiplying each root of `ax^(2) + bx+ c = 0" by "2 " is "x^(2) = 36x + 24 =0`

A

2,3

B

3,5

C

8,15

D

6,5

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The correct Answer is:
B
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S CHAND IIT JEE FOUNDATION-QUADRATIC EQUATIONS-QUESTION BANK
  1. Which of the following is a quadratic equation?

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  2. If a^(2)-ab=0, which of the following is the correct conclusion?

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  3. The equation formed by multiplying each root of ax^(2) + bx+ c = 0" by...

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  4. The roots of the equation 2x^2-11 x+15=0 are 3,5/2 (b) 5,3/2 (c) -3...

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  5. Find a if a-3=10/a

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  6. Of the following quadratic equations, which is the one whose roots are...

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  7. The common root of the equations x^(2)-7x+10=0 and x^(2)-10x+16=0 is

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  8. An equation equivalent to the quadratic equation x^(2)-6x+5=0 is

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  9. The roots of the equation x/(x-1)+(x-1)/x=2 1/2 are

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  10. Find the roots of the equation 1/(a+b+x)-1/x=1/a+1/b?

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  11. The values of x satisfying the equation 5^(2x)-5^(x+3)+125=5^(x) are

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  12. The root of the equation 3^(2x)-10.3^(x)+9=0 are

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  13. If one root of the quadratic equaion 3x^(2)-10x+p=0 is 1/3, then the v...

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  14. Thrice the square of a natural number decreased by 4 times the numb...

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  15. The product of two successive natural numbers is 1980. Which is the sm...

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  16. A two digit number is such that the product of digit is 8 . when 18 is...

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  17. The difference of mother's age and her daughter's age is 21 years and ...

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  18. The sum of a number and its positive square root is 6/25.Find the numb...

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  19. In a school hall, 460 students were sitting in rows and columns in suc...

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  20. The length of a hypotenuse of a right triangle exceeds the length of i...

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