Given that: f(x)=5-2x
Calculate: f(72)
sum of first 90 even natural numbers
7x-3
/2 =x
log10 7(7^5)
x+2/$x^{2}$ -2x+1
f(x)=5-2x Calculate: f72
x+2/x $a^{2}$ -2x+1
7x-3 /2 =x
log7(7^5)
cos theta = √(1 -sin ^ 2 theta) which formula derive from
