RBI Assistant Prelims 2016 Sitting 2 Paper

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Directions (61- 65) : In the following questions twoequations numbered I and II are given. You have tosolve both the equations and
Give answer (1) if x > y
Give answer (2) if x > y
Give answer (3) if x < y
Give answer (4) if x < y
Give answer (5) if x = y or the relationship cannotbe established.

Question : 61 of 100

Marks: +1, -0

I. 3x2+14x+15=0
II. 6y2+17y+12=0

Validate

Solution:

(3)I.3X2+14x+15=0
=3X2+9x+5x+15=0
=3x(x+3)+5(x+3)=0
=(x+3)(3x+5)=0
=x=−3or,−

II.6y2+17y+12=0
6y2+9y+8y+12=0
=3y(2y+3)+4(2y+3)=0
=(2y+3) (3y+4)=0
=y=−

clearly x

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