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4 Answer : 2
4 Answer : 1
4 Answer : 3
4 Answer : 1
4 Answer : 3
- 1$$4^5$$false
- 2$$5^6$$true
- 3$$5^5$$false
- 4$$6^5$$false
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Answer : 2 $$5^6$$
Q:
If x1 and x2 are the roots of the equations bx2-ax + log2my=0 such that x12=a2+x22 then evaluate the roots in terms of a and b.
835 0 600e929e377d750b4eb49c40- 1$$ {a\over2ab}{(a^{2}+1)},{a\over2ab}{(1-b^{2})}$$true
- 2$$ {a\over2b}{(b^{2}+1)},{a\over2b}{(1-a^{2})}$$false
- 3$$ {a\over2ab}{(b^{2}-1)},{a\over2ab}{(1-b^{2})}$$false
- 4$$ {a\over2b}{(b^{2}+1)},{a\over2b}{(1-b^{2})}$$false
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Answer : 1 $$ {a\over2ab}{(a^{2}+1)},{a\over2ab}{(1-b^{2})}$$
Q:
In equation $$ {x^{2}-24x+k=0}$$ the first root is x=2 then find out the second root of equation.
998 0 5f87f11ae6aa3e1d0bcb886a- 1x=-22false
- 2x=12false
- 3x=22true
- 4x=-12false
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Answer : 3 x=22
Q:
$$ ({2+\sqrt{5}})$$ and $$ ({2-\sqrt{5}})$$ is a quadratic equation with roots.
775 0 5f76e7074637db73284aca09- 1$$ {x^{2}-3x-4=0}$$true
- 2$$ {x^{2}+3x-4=0}$$false
- 3$$ {x^{2}-3x+4=0}$$false
- 4$$ {x^{2}+3x+4=0}$$false
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Answer : 1 $$ {x^{2}-3x-4=0}$$
- 1(4y+3)false
- 2(3y-4)false
- 3(4y-3)true
- 4(3y+2)false
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