ഒരു സമാന്തര ശ്രേണി യുടെ 5 പദം 38 ഉം 9 ആം പദം 66 ഉം. 25 പദം എന്താണ്?
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5
Answer:
178 is your answer..
Step-by-step explanation:
Given , 5th term ( X5 )= 38
9th term (X9) = 66
∴ Common difference (d) = am - an / m-n
= 66-38 / 9-5
=28 / 4
= 7
∴ 25th term ( X25) = X9 + 16 d
= 66 +16 × 7
= 66+ 112
= 178
hope it helps you...........
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