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Sequences And Series

Question
CBSEENMA11015588
Wired Faculty App

If p and q are positive real numbers such that p2 + q2 = 1, then the maximum value of (p + q) is

  • 2

  • 1/2

  • fraction numerator 1 over denominator square root of 2 end fraction
  • square root of 2

Solution
Multi-choise Question

D.

square root of 2 Using space straight A. straight M. space greater or equal than space straight G. straight M comma
fraction numerator straight p squared space plus straight q squared over denominator 2 end fraction space greater or equal than pq
rightwards double arrow space pq space less or equal than 1 half
left parenthesis straight p plus straight q right parenthesis squared space equals space straight p squared space plus straight q squared space plus 2 pq
rightwards double arrow space left parenthesis straight p plus straight q right parenthesis squared space equals straight p squared space plus straight q squared space plus 2 pq
rightwards double arrow space straight p plus straight q space less or equal than square root of 2

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Some More Questions From Sequences and Series Chapter

The co-ordinates of a point A are (2, -3, 6). Write down the co-ordinates of seven points whose absolute values are the same as those of the co-ordinates of the given point.

Find the octant in which the following points lie:
A (-3,1, 2), B (-3, 1, -2), C (-3, -1,-2), D (3, -1, -2) and E (3,1, 2).

A point lies on the x-axis at a distance of 5 units towards OX'. What are its co-ordinates?

A point lies on z-axis at a distance of 3 units in the direction OZ. Write its co-ordinates.

A point lies on y-axis and is at a distance of 4 units in the direction OY'. Write its co-ordinates.

A point lies on XY-plane with distances 4 units along OX and 3 units along OY. Write its co-ordinates.

A point lies on YZ-plane with distances 4 units along OY and 5 units along OZ'. Write its co-ordinates.

A point lies on ZX-plane with distances 3 units along OX' and 5 units along OZ'. Write its co-ordinates.

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