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Need some help on this question:

The rule to get from one term to the next in a sequence is
Un+1 = 2Un
If U1=4, work out the values of U2, U3 and U4.

Will mark as Brainliest if correct answer is given. Thanks.

Need some help on this question The rule to get from one term to the next in a sequence is Un1 2Un If U14 work out the values of U2 U3 and U4 Will mark as Brain class=