Expand (2x-3y)(x-5y)
...Expand (2x-3y)(x-5y)
2x2+13xy−15y2
2x2−13xy−15y2
2x2+13xy+15y2
2x2−13xy+15y2
Correct answer is D
(2x−3y)(x−5y)=2x2−10xy−3xy+15y2=2x2−13xy+15y2
A sector of a circle of radius 7.2cm which subtends an angle of 300° at the centre is used to fo...
The maximum value of the function f(x) = 2 + x - x2 is ...
If 43x = 16x+1, find the value of x ...
The nth term of the progression 42, 73, 104, 135...
Evaluate correct to 4 decimal places 827.51 x 0.015 ...
In the diagram, < PSR = 220o, < SPQ = 58o and < PQR = 41o. Calculate the obtuse angle QRS....