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If |a| = 3, |b| = 4 and |a + b| = 1, the...

If |a| = 3, |b| = 4 and |a + b| = 1, then |a - b| =

A

5

B

6

C

7

D

8

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • If Tan A = (4)/(3), Tan B = (1)/(7) then A - B =

    A
    `(pi)/(4)`
    B
    `(pi)/(2)`
    C
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    D
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    A
    Right angled
    B
    Equilateral
    C
    Isosceles
    D
    Scalane

  • If a, b are noncollinear vectors and A = (x + 4y) a + (2x + y + 1)b, B = (y - 2x +2) a + (2x - 3y - 1) b and 3A = 2B, then (x, y) =

    A
    (2, 1)
    B
    (2, -1)
    C
    (-2, -1)
    D
    (-2, 1)

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