QUADRATIC EQUATIONS IN ONE VARIABLE
WBBSE MATH SOLUTION | GANIT PRAKASH SOLVE CLASS 10
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- QUADRATIC EQUATIONS WITH ONE VARIABLE – CLICK HERE
- SIMPLE INTEREST – CLICK HERE
- THEOREMS RELATED TO CIRCLE – CLICK HERE
- RECTANGULAR PARALLELOPIPED OR CUBOID – CLICK HERE
- RATIO AND PROPORTION – CLICK HERE
- COMPOUND INTEREST – CLICK HERE
- THEOREMS RELATED TO ANGLE IN A CIRCLE – CLICK HERE
- RIGHT CIRCULAR CYLINDER – CLICK HERE
- QUADRATIC SURD – CLICK HERE
- THEOREMS RELATED TO CYCLIC QUADRILATERAL – CLICK HERE
- CONSTRUCTION: CIRCUMCIRCLE AND INCIRCLE – CLICK HERE
- SPHERE – CLICK HERE
- VARIATION – CLICK HERE
- PARTNERSHIP BUSINESS – CLICK HERE
- THEOREMS RELATED TO THE TANGENT OF A CIRCLE – CLICK HERE
- RIGHT CIRCULAR CONE – CLICK HERE
- CONSTRUCTION: TANGENT TO A CIRCLE – CLICK HERE
- SIMILARITIES – CLICK HERE
- PROBLEMS RELATED TO DIFFERENT SOLID OBJECTS – CLICK HERE
- TRIGONOMETRY: CONCEPT OF MEASUREMENT OF ANGLE – CLICK HERE
- CONSTRUCTION: DETERMINATION OF MEAN PROPORTIONAL – CLICK HERE
- PYTHAGORAS THEOREM – CLICK HERE
- TRIGONOMETRY RATIO AND TRIGONOMETRIC IDENTITIES – CLICK HERE
- TRIGONOMETRIC RATIOS OF COMPLEMENTARY ANGLES – CLICK HERE
- APPLICATION OF TRIGONOMETRIC RATIOS: HEIGHT AND DISTANCES – CLICK HERE
- STATISTICS: MEAN, MEDIAN, OGIVE, AND MODE – CLICK HERE
Ganit Prakash Ch 1 Ex 1.5 Q No 12A MCQ
(A) M.C.Q.:
(i) The sum of two roots of the equation x²-6x+2=0 is
(a) 2 (b)-2 (c) 6 (d)-6
(ii) If the product of two roots of the equation x2-3x+k-10 is-2, then the value of k is
(a)-2 (b)-8 (c) 8 (d) 12
(iii) If two roots of the equation ax²+bx+c=0 (ax0) are real and unequal, then b²-4ac will be
(a) >0 (b)=0 (c) <0 (d) none of these
(iv) If two roots of the equation ax²+bx+c=0 (a=/0) be equal, then
(a) c= – b/2a (b) c = b/2a (c) c = -b²/4a (d) c = b²/4a
(v) If two roots of the equation 3x²+8x+2=0 be a and b, then the value of (1/a+1/b) is
(a)-3/8 (b) 2/3 (c)-4 (d) 4
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