12 ارم)
2 - 3
sin
13
رمbdjfif
Answers
Answer:
0.73949888952
Step-by-step explanation:
2 - 3 sin 13 = 0.73949888952
1.
x-1 3x⁴-4x³-3x-1 3x³-x²-x-4
3x⁴-3x³
-x³+0x²
-x³+x²
-x²-3x
-x²+x
-4x-1
-4x+4
-5
2.
1)12x²-7x+1
12x²-3x-4x+1
3x(4x-1)-1(4x-1)
(3x-1)(4x-1)
2)x³-2x²-x+2 x²(x-2)-1(x-2)
by syn division, (x²-1)(x-2)
1 -2 -1 2 or
2 0 2 0 -2
1 0 -1 0
(x-2)(x²-1)
3.
1)8a³+b³12a²b+6ab²
(2a)³+b³+3.(2a)².b+3.2a.b²
(2a+b)³
2)64m³-343n³
(4m)³-(7n)³
4.
1)
(100+3)×(100+7)
100*(3+7)=100×10=10002)
(998)³
(1000-2)³
1000³-2³-3.1000².2+3.1000.2²
5.
1)p(y)=y²-y+1
p(0)=0²-0+1=1
p(2)=2²-2+1=4-2+1=3
2)p(t)=2+t+2t²-t³
p(0)=2+0+2(0)²-0³
2+0+0-0=2
p(2)=2+2+2(2)²-2³
=4+8-8=4