Question

please answer correctly and step by step. Answer is 3, I have got many wrong answers till now,they have given the answer as 9, but the correct answer is 3. please help me.​

Answer 1

Answer:

3 ANS.

Step-by-step explanation:

11^4x+(-3) = 11*11^2^4

11^4x-3 = 11*11^2*4

11^4x-3 = 11^1+8

11^4x-3 = 11^9

IF THE BASES OF BOTH THE SIDES ARE EQUAL THEN THE POWERS WILL ALSO BE EQUAL.

SO,

4x-3 = 9

x = 9+3/4 = 12/4 = 3. ANS

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Answer 2

Answer:

Step-by-step explanation:

11^4x  ×  11^-3   =  11  ×   121^4

11^(4x-3)   =     11  ×  11^8

11 ^ (4x -3) =   11(1+8)

11^(4x-3)  =   11^9

bases are equal

power should be equated.

4x - 3 =9

4x = 12

x = 3.

hope this helps u.

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