Given: a - b = 5 and ab = 24,
find:
(i) a + b
(ii) a 3-b3
Answers
Answered by
0
Answer:
A=8
B=3
Step-by-step explanation:
1) a+b= 8+3=11 ANSWET
2) a3-b3= 8×3-3×3=15 ANSWER
Answered by
0
Answer:
a-b=5
a=5+b
ab=24
5+b*b=24
5b+b²-24=0
b²+5b-24=0
b²-3b+8b-24=0
b(b-3)+8(b-3)=0
(b-3)(b+8)=0
b=3
a-b=5
a-3=5
a=8
1.a+b
=11
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