If a - b = 5 and ab = 6 then value of a cube minus b cube equals to
Answers
Answered by
0
i I have mentioned my answer above please Mark me as brainliest
Attachments:
Answered by
0
Answer:
a-b=5
ab=6
By substitution method
a=6/b
a-b=5
6/b-b/1=5
6-2b=5
-2b=5-6
-b=-1/2
b=1/2
ab=6
a×1/2 =6
a=6×2
a=12
a^3-b^3= 12^3 - 1/2
1728-1/8= 13284 ÷8 -1
=1727
Similar questions