" (d) "36x^(2)+25+60x=(......)(6x+5)

Factorise : (i) 36x^(2)+60xy+25y^(2) (ii) (49)/(9)x^(2)-(35)/(6)xy+(25)/(16)y^(2)

Factorise : (i) 36x^(2)+60xy+25y^(2) (ii) (49)/(9)x^(2)-(35)/(6)xy+(25)/(16)y^(2)

Find the value of the expression (36x^(2) + 25y^(2) - 60 xy) , when x = (2)/(3) and y = (1)/(5)

The locus of a point which moves so that the ratio of the length of the tangents to the circles x^(2)+ y^(2)+ 4x+3 =0 and x^(2)+ y^(2) -6x +5=0 is 2 : 3 is a) 5x^(2) +5y^(2) - 60x +7=0 b) 5x^(2) +5y^(2) +60x -7=0 c) 5x^(2) +5y^(2) -60x -7=0 d) 5x^(2) +5y^(2) +60x +7=0

6^5 x 6^5 is equal to: (a) 36^5 (b) 6^25 (c) 6^5 (d) 12^5

Find the values of x, for which the function f(x)= x^(3) + 6x^(2) - 36x+ 6 is monotonically decreasing.

What is the LCM of (6x^(3) +60x^(2) +150x) and (3x^(4) +12 x^(3) -15 x^(2)) ?