If the Sum and product of 3 consecutive terms
of an A.P. are 18and 432 respectively then the terms
Answers
Answered by
14
Answer:
ɢɪᴠᴇɴ:-
★ Sum of three consecutive terms of AP = 18
★ Product of three consecutive terms of AP = 432
ᴛᴏ ғɪɴᴅ :-
★ Consecutive terms
sᴏʟᴜᴛɪᴏɴ:-
Let the three consecutive terms be a, a+d & a-d
✰According to the question, we can write ____
a + a +d + a-d = 18
➱ 3a =18
➱ a = 6
✏Product of three consecutive terms ____
a * ( a+d) *( a-d) = 432
➱ ( a^2 - d^2) = 72 ( putting the value of a = 6)
➱ d = √36
✏Hence, three consecutive terms are ___
➟ a = 6
➟ (a-d) = 0
➟ ( a+d) = 12
✔(when, d = +6)
✏Again, three consecutive terms are ___
➟ a = 6
➟ (a-d) = 12
➟ (a+d) = 0
✔( when, d =-6)
Hence,
Three consecutive terms ____
☞ 0,6,12
Or,
☞ 12, 6, 0
Similar questions