[" Solue the equation: "],[qquad 1+4+7+10+...-+2=287]

Solve the equation |x-1|+|7-x|+2|x-2|=4

Check whether the following are solu tions of the equation 5x - 2y = 30 : (10, 10).

Check whether the following are solu tions of the equation 6x - 2y = 30 : (10, 15).

Check whether the following are solu tions of the equation 5x - 2y = 30 : (4, 10).

Check whether the following are solu tions of the equation 5x - 2y = 30 : (0, 15).

Show the equation of the points A (-7 , 4, - 2) , B (-2, 1,0) and C (3, -2, 2) are collinear .

A root of the equation 17x^2 + 17x tan [2 tan^-1(1/5) - pi/4] - 10 = 0 is (i) 10/17 (ii) -1 (iii) -7/17 (iv) 1