sqrt((8x-24)/((1)/(2)x+5))
3X-2/X^2-16 >0
$(1/2)*(12/13)+(1/3)*(12/13)+(1/4)*(12/13)$
22/8 -36/4
$1/2*12/13+1/3*12/13+1/4*12/13$
Quick calculation: 42 : { 20 - [ 30 - ( 5-1)²] }
The curve y = 3x square − 2x + 7 has a gradient of −20 at the point where x = b.
Find the value of b
d/dx(x**1/2)
2 2/3 x 1 3/4
factorize 25a ^ 2 + 40ab + 16b ^ 2