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Sum of roots of the equation 4^(x)-3(2^(...

Sum of roots of the equation `4^(x)-3(2^(x+3))+128=0`, is

A

0

B

7

C

5

D

8

Text Solution

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The correct Answer is:
B
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Knowledge Check

  • Sum of the roots of the equation is 4^(x)- 3 (2 ^(x+3)) + 128 = 0

    A
    5
    B
    6
    C
    7
    D
    8

  • Sum of roots of the equation (x+3)^(2)-4|x+3|+3=0 is

    A
    4
    B
    12
    C
    `-12`
    D
    `-4`

  • The roots of the equation x^(4)-2x^(3)+x-380=0 are

    A
    `5,-4,(1+-5sqrt(3i))/(2)`
    B
    `-5,4,(-1+-sqrt(3i))/(2)`
    C
    `5,4(-1+-sqrt(3i))/(2)`
    D
    `-5,-4,(1+-5sqrt(3))/(2)`

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