Answer:
the answer is 1
Step-by-step explanation:
(3)(1)(-1)-4+4(-2)(-1)
3(-1)-4+4(-2)(-1)
-3-4+4(-2)(-1)
-3-4-8(-1)
-3-4+8
-7+8
1
B^2+b+1(b^2 - b+1)
b^2+b+1-b^2+b+1
(b^2 - b^2) - (b+b) +(1h1l
=26
Answer:
i) 28 - 30i
ii) 36 + 28i
Step-by-step explanation:
i) x = 6 + i ⇒2x = 2(6 + i) = 12 + 2i
z = 4 - 8i ⇒ 4z = 4(4 - 8i) = 16 - 32i
2x + 4z = (12 + 2i) + (16 - 32i) = 28 - 30i
ii) w = -1 + 5i and z = 4 - 8i
w × z = (-1 + 5i)(4 - 8i) = -4 + 8i + 20i - 40⇒collect like terms
w × z = -4 + 28i - 40
∵
∴w × z = -4 + 28i - 40(-1) = -4 + 28i + 40 = 36 + 28i
Answer:
The answer is -32
Step-by-step explanation:
g(-5) = (-5)-1= -6
f(-6) = 2(-6)-20
f(-6) = -12-20
-32