Question

for a G.P.if t2=7,t4=1575 find a​

Answer 1

Answer:

G.P.if t2=7,t4=1575then find a

Answer 2

Answer:

according to question ar=7 that implies r=7/a

Step-by-step explanation:

ar^3 =1575

substituting r value

a × 343/a^3 = 1575

343/a^2 =1575

a^2 =49/225

a=7/15