If 2C+10=0, then the line X=c lies
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December 2022
if k1, k2 and k3 are real numbers of the quadratic equation k1x^2+ k2x+k3=o have three roots then k1+k2+k3=
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December 2022
If the line joining the points (-1,-4) and (3,4) is a tangent to the circle whose centre is at origin then find the point of contact of the tangent
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December 2022
If A=2^65 and B=2^64+2^63+...+2^1+2^0 and c=2^64+2^63+...+2^2+2^1 prove that 2A=B+C+3
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December 2022
A boat takes 1.6hours longer to go 36kms up a river than down the river. If the speed of the water current is 4km per hour, what is the speed of the boat in still water?
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December 2022
It takes 24 hours to fill a swimming pool using two pipes. If the pipe of larger diameter is used for 8 hours and the pipe of the smaller diameter is used for 18 hours. Only half of the pool is filled. How long would each pipe take to fill...
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December 2022
Using section formula, show that the points A(7,-5), B(9,-3) and C(13,1) are collinear
True or false. All negative Integers are greater than zero
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December 2022
True or false: if R: A to B is a relation then the domain of R= A Need answer with explanation plss...