Question

Evaluate ; 2x + 2y + z,
if x = 10, y = 5 and z = 1​

Answer 1

Answer:

choose the statement that is NOT true with reference

to the impact of the order from Berlin.

(a) M. Hamel had put his finest dress,

bThe school and all other things were quiet like a Sunday

morning.

to the village children came and sat silently on the back

benches

(d) All students and M. Hamel were upset.

Mark me as Brilliant please

Answer 2

Answer:

Given- x=−2,y=3,z=1

So, x3+y3+z3−3xyz=(x+y+z)(x2+y2+z2−xy−yz−zx)

=(−2+3+1)((−2)2+(3)2+(1)2−(−6)−(−3)−(−2))

=(2)(4+9+1+6−3+2)

=(2)(19)

=38