If A, B, C and D represents `X, divide, + ` and - respectively, then find the value of 90B3A5D3C9.

When the polynomial f(x)=ax^(2)+bx+c is divided by x , x - 2 and x +3 remainders obtained are 7 , 9 and 49 respectively . Find the value of 3a + 5b+ 2c .

If the point A, B, C, D are collinear asnd C, D divide AB in the ratios 2:3, -2:3 respectively, then the ratio in which AS divides CD is

In a A B C , D and E are points on the sides A B and A C respectively such that D E B C If A D=8x-7, D B=5x-3, A E=4x-3 and E C=(3x-1) , find the value of x . (ii) If A D=4x-3, A E=8x-7, B D=3x-1 and C E=5x-3 , find the volume x . (iii) If A D=2. 5 c m , B D=3. 0 c m and A E=3. 75 c m , find the length of A C .

In a A B C , D and E are points on the sides A B and A C respectively such that D E B C If A D=8x-7,\ \ D B=5x-3,\ \ A E=4x-3 and E C=(3x-1) , find the value of x . .

If an a triangle A B C , b=3ca n d C-B=90^0, then find the value of tanB

If an a triangle A B C , b=3ca n d C-B=90^0, then find the value of tanB

In a A B C , D and E are points on the sides A B and A C respectively such that D E B C If A D=2 c m , A B=6 c m and A C=9 c m , find A E . (ii) If (A D)/(B D)=4/5 and E C=2. 5 c m , find A E . (iii) If A D=x , D B=x-2 , A E=x+2 and E C=x-1 , find the value of x .

In a A B C , D and E are points on the sides A B and A C respectively such that D E// B C If A D=4 , A E=8 , D B=x-4 , and E C=3x-19 , find x .