ksrinivasreddy707
ksrinivasreddy707 ksrinivasreddy707
  • 24-08-2020
  • Mathematics
contestada

Find the value of x ......
Please answer this question..... ​

Find the value of x Please answer this question class=

Respuesta :

alisigwechinyere9
alisigwechinyere9 alisigwechinyere9
  • 24-08-2020

Answer:

x=5/2

Step-by-step explanation:

(2/7)^2x *(2/7)=(2/7)^6

(2/7)^(2x+1)=(2/7)^6

Equate indices

2x+1=6

2x=6-1

2x=5

x=5/2

Answer Link
wolf1728
wolf1728 wolf1728
  • 24-08-2020

Answer:

When multiplying the same number, raised to different powers, you carry the number forward so (2/7)^6  is part of the answer.

Now, we have to calculate the exponent.

2x + 1 = 6

So, the answer is x = 2.5 which means

[2/7]^(2*2.5) x [2/7]^1 = [2/7]^6 which equals

[2/7]^5 x [2/7]^1  = [2/7]^6

Step-by-step explanation:

Answer Link

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