3 years ago

Find an explicit formula for the following sequence, an, which starts with a1=7. 7,−14,28,−56,112,…

Mathematics

2 answers:

Digiron [165]3 years ago

6 0

Answer:

simply multiply each number by -2

Step-by-step explanation:

7 * -2 = -14 -14 * -2

brainliest answer plz!

natali 33 [55]3 years ago

5 0

Answer:

aₙ= 7*(-2)ⁿ⁻¹

Step-by-step explanation:

7,−14,28,−56,112,…

This is a GP with first term of 7 and common ratio of -2

a₁=7

r= -2

aₙ= 7*(-2)ⁿ⁻¹

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