Question

1...) ??Find the 10" term of the AP 2, 7, 12_
In an AP, a = -18 n= 10 and ag=0 then find.

in ABC, DE || BC AD=1.5cm. BD =3cm
AE=lcm Find EC

7) If sides of two similar triangles are in the ratio 4:9. Find the Area of these
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Answer 1

Answer:

1. a= 2, d= 5,n=10, Tn =?

Step-by-step explanation:

Tn= a+( n-1) d

T10= 2+(10-1) 5

= 2+(9)5

=2+45

T10= 47