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
x^2+2>=0
SA=2(3.14)r^2+2(3.14)rh
30+40%
160+((-78.48*3)+300x)=0
The curve y = x2 − 4x + 3 has a gradient of −1 at the point where x = a.
Find the value of a.