Question

Exercise
1--In the given situation ,does the list of numbers involved make an A.P.,and why?
The cost of digging a well after every metre of digging ,when it's cost Rs 150 for the first metre and rises by Rs 50 for each subsequent metre.
2--Write first four terms of the A.P. , when the first term a and the common difference d are given as follows:
(a) a=10 , d=10
(b)a=-2 ,. d=0
(c)a=4 ,. d=-2
(d)a=-1,. d=1/2
(e)a=1.25, d=-0.25​

Answer 1

Answer:

ur answer is on google

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Answer 2

Answer:

134=<84,178=<78,190=<40,290=<?

Exercise

1--In the given situation ,does the list of numbers involved make an A.P.,and why?

The cost of digging a well after every metre of digging ,when it's cost Rs 150 for the first metre and rises by Rs 50 for each subsequent metre.

2--Write first four terms of the A.P. , when the first term a and the common difference d are given as follows:

(a) a=10 , d=10

(b)a=-2 ,. d=0

(c)a=4 ,. d=-2

(d)a=-1,. d=1/2

(e)a=1.25, d=-0.25