plz solve this question then I will mark you brainlist
Attachments:
Answers
Answered by
2
Explanation:
answer is here. read it carefully to understand
Attachments:
Answered by
1
Explanation:
(a+b)² = a²+b²+2ab.
(10)²=58+2ab
ab=(100-58)/2
ab=42/2=21
now,
(a+b)³=a³+b³+3ab(a+b)
10³=a³+b³+(3x21x10)
a³+b³=1000-630
therefore,a³+b³=370.
Similar questions