Pi symbol raised to the 3 times x raised to the 4
Answer:
π
Step-by-step explanation:
The argument of the cosine function will be 2π (one period) when x=π.
The period of the function is π.
She read nine chapters each hour
Answer:
first term = 3
Step-by-step explanation:
The n th term of a GP is
= a₁
where a₁ is the first term and r the common ratio
Here r = 3 and a₅ = 243 , thus
a₁ × = 243
a₁ × 81 = 243 ( divide both sides by 81 )
a₁ = 3