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Skyboy
Questions (18)
A point A(4, k) and B(2, 4) subtend a right angle at the origin of the coordinate axes. Find the value of k.
1 answer
409 views
Factorise X^2-2xy-15y^2=0
1 answer
485 views
X^3-(x+y)^3
1 answer
369 views
Sin@=x find the value of (1-x^2)^1/2
1 answer
360 views
Solve, (3x-2)(x+1)(x-3)/(x-2)^2
0 answers
340 views
Solve. 4x^3+2x^2-3x+1/(2x+1)(x-3)
0 answers
327 views
1)Solve.(x+3)^2/(x^2-x+7)(x-2)
1 answer
357 views
Solve. 1-x/(x^-23x+2)(x^2+4)
0 answers
339 views
10x^2+x+9/x(2x^2+3)
1 answer
301 views
(x-1)(x^2+x+1)/(x^2+1)(3x^2+4x+5)
1 answer
310 views
Solve. 4x^2-3x+2/(x-1)(x+2)(x^2+1)
1 answer
322 views
If x^3+3ax^2+bx+c is a perfect cube .prove that b^3=27c^2
1 answer
795 views
Find the values of p and q wich make x^4+6x^3+13x^2+bx+c a perfect square
1 answer
509 views
If one root of the equation x^2-px+q=0 is the square of the other, show that p^3-q(3p+1)-q^2=0. Provided q is not equal to 1
1 answer
741 views
Find the values of m and n such that x^4+6x^3+13x^2+mx+n , is a perfect square
1 answer
578 views
Prove that if the diffrence between the root of the equation ax^2+bx+c=0 is 1, then a=b^2-a^2/4c
1 answer
420 views
A steel ball of diameter 0.2mm, falls with a
terminal velocity of 0.0029m/s through oil in a relatively large jar.Calculate the
0 answers
613 views
1)An alloy of copper zinc has a mass of 4.9kg.when suspended in water.0.98kg of water was displaced by it.calculate the mass of
1 answer
691 views
Answers (1)
That is 27i cube root
