week 11 - MCCCporterr/course/135/documents/ia11.pdfweek 11 Subject: SMART Board Interactive...
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week 11 November 11, 2015 q9 #4 ∛ 7x 5 ∛ 2y ∛ 4y 2 ∛ 4y 2 = 2y ∛ 28x 5 y 2 2y x ∛ 28x 2 y 2 = √ 54/3=18 18 √90 = 3i √10 = 3 √2
Transcript of week 11 - MCCCporterr/course/135/documents/ia11.pdfweek 11 Subject: SMART Board Interactive...
week 11 November 11, 2015
q9 #4
∛7x5
∛2y ∛4y2
∛4y2=
2y
∛28x5y2
2yx ∛28x2y2
=
√ 54/3=1818
√90 = 3i √10
= 3 √2
week 11 November 11, 2015
conjugate of
4+6i is 4 6i
46i
46i =4i+6i2
1636i2=
4i 6
16+36=
4i 6
52 52
7.4 #9.
∜3 = ∜81 = 3 ∜3 4∜3 4∜3
week 11 November 11, 2015
10.
∛5y = 5y5
∛125y15 = 5y5
∛5y 2x6 ∛5y
7
2√5 1 2√5 + 1
2√5 + 1 14√5 7
20 1
14√5 7 19 19
week 11 November 11, 2015
4*∛27x9∛3x2 + ∛8x9∛3x2
12x3 ∛3x2 2x3 ∛3x2+
10x3 ∛3x2
week 11 November 11, 2015
(√x √3)(√x √3)FOIL
X+27X2√3X +3
W = 121
week 11 November 11, 2015
(W2)(W2)
W24W+4 = 20 + 7W
= 20 + 7W
W24W+4 = 20 + 7W
7W+20 +20 7W
W2 11W+ 24 = 0
(W8)(W3)=0
W=8, 3
CHECK!!!
BOTH
WORK!
week 11 November 11, 2015
week 11 November 11, 2015
week 11 November 11, 2015
week 11 November 11, 2015
