Find the common difference of the A.P.,
ii.) 400,370,340,....
Answers
Answer:
-30
Step-by-step explanation:
370 - 400 = -30
340-370 = -30.simple!
Answer:
- Common difference of AP is -30.
Step-by-step explanation:
Given : AP = 400, 370, 340...
To find : Common difference of AP
Solution:
To find the common difference, we have to subtract any preceeding term from the succeeding term of AP. Common difference is different between two consecutive terms of AP. It remains same for each term.
In the given AP, let's consider 3 terms 400, 370, 340.
Here,
- First term, a₁ = 400
- Second term, a₂ =370
- Third term, a₃ =340
Since we have discussed earlier that common difference can be obtained by subtracting the preceding term from succeeding term,
So the common difference will be:
Common difference = a₃ - a₂ = a₂ - a₁
difference = 340 - 370 = 370 - 400
Common difference = -30 = -30
Hence the common difference of AP is -30.
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