Question

if t9=23 and a=7 then find d​

Answer 1

Answer:

tn=a+(n-1)d

23=7+(9-1)d

23=7+8d

23-7=8d

16=8d

hence,d=2

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Answer 2

${\rm{\red{\underline{\underline{\huge⚘{ANSWER⚘}}}}}}$

➵$Let's-solve-your-equation- step-by-step$

$➵t^9=23$

$Step 1: Take/ root$

$➵t=(23)(19)$

$➵t=1.416782$

$➵Answer:$

$➵d=1.416782$