if a + b = 13 and ab = 25 find the value of a cube plus b cube
Answers
Answered by
8
Answer:
1222
Step-by-step explanation:
a³+b³= (a+b)³ - 3ab(a+b)
= (13)³ - 3*25(13)
= 13[13² - 75]
= 13 [ 94] => 1222
Answered by
1
Answer:
1222
Step-by-step explanation:
it is your answer.
Similar questions