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If |overset(to)(a) + overset(to)(b)| =| ...

If `|overset(to)(a) + overset(to)(b)| =| overset(to)(a) - overset(to)(b) |`, prove that `overset(to)(a) and overset(to)(b)` are perpendicular

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The correct Answer is:
Hence `overset(to)(a) and overset(to)(b)` are perpendicular to each other
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SUNSTAR PUBLICATION-ANNUAL EXAM QUESTION PAPER MARCH - 2016-PART - B (Answer any ten questions)
  1. Evaluate : int(0)^(pi) ( sin^(2) ((x)/(2) ) - cos^(2) ( (x)/(2) ))dx

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  2. If |overset(to)(a) + overset(to)(b)| =| overset(to)(a) - overset(to)(b...

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  3. Find the order and degree, if defined, of the differential equation. ...

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  4. Find angle between the vectors overset(to)(a) = hat(i) + hat(j) - hat(...

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  5. The random variable X has probability distribution P(X) of the followi...

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  6. Find the Cartesian equation of the line parallel to y - axis and passi...

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  7. Write the simplest form of tan^(-1) [( 3 cos x - 4 sin x )/( 4 cos x +...

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  8. Using determinants show that points A (a, b+ c) , B (b,c+ a) and C ( c...

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  9. If functions f : R to R and g: R to R are given by f(x) = |x| and g(x)...

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  10. Show that sin^(-1)(2xsqrt(1-x^(2)))=2cos^(-1)x, (1)/(sqrt2)le x le 1.

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  11. Find (dy)/(dx) if y= sec^(-1)((1)/(2x^(2)-1)), 0 lt x lt (1)/(sqrt(2))

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  12. If x^(y) = a^(x), prove that (dy)/( dx) = ( x log (e) a -y)/( x log(e)...

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  13. Find int (1)/( sin x cos^(3) x) dx

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  14. Using differentials find the approximate value of (25)^(1//3)

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  15. Evaluate : int(0)^(pi) ( sin^(2) ((x)/(2) ) - cos^(2) ( (x)/(2) ))dx

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  16. If |overset(to)(a) + overset(to)(b)| =| overset(to)(a) - overset(to)(b...

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  17. Find the order and degree, if defined, of the differential equation. ...

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  18. Find angle between the vectors overset(to)(a) = hat(i) + hat(j) - hat(...

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  19. The random variable X has probability distribution P(X) of the followi...

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  20. Find the Cartesian equation of the line parallel to y - axis and passi...

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