" 9."quad D=-7x+3=0

If alpha, beta, gamma are the roots of 9x^3 - 7x + 6 = 0 , then alpha beta gamma is …………

What is the value of D_(x) for the simultaneous equations 3x+ 2y + 11 = 0 and 7x - 4y = 9 ?

If 7x + 3y + 9 = 0 and y = kx + 7 are two parallel lines then find the value of k. (a)9/7 (b)-7/3 (c)5/8 (d)6/5

If 7x + 3y + 9 = 0 and y = kx + 7 are two parallel lines than k is (a)3/7 (b)-7/3 (c)3 (d)7

If x^(4) -5x^(3) + 9x^(2) - 7x + 2 = 0 has a multiple roots of order 3 then the roots are

If the coefficients of x^2a n d\ x^3 in the expansion o (3+a x)^9 are the same, then the value of a is -7/9 b. -9/7 c. 7/9 d. 9/7

If the coefficients of x^2a n d\ x^3 in the expansion o (3+a x)^9 are the same, then the value of a is -7/9 b. -9/7 c. 7/9 d. 9/7

The equation of bisector of angle which contains the origin between the straight lines 4x-3y-6=0 and 5x+12y+9=0 is: a.7x+9y+3=0 b.7x+9y-3=0 c.7x-9y+3=0 d.none of these

The image of plane 2x-y+z=2 in the plane mirror x+2y-z=3 is (a) x+7y-4x+5=0 (b) 3x+4y-5z+9=0 (c) 7x-y+2z-9=0 (d) None of these