Class 9 Exercise 2.2 NBF Maths national book foundation Maths Ex 2.2 federal board Maths FBISE Math

1. Check whether log_x(7 - x) is defined for

(i) x = 0

(ii) x = 1

(iii) x = 6

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2. Convert the form of following equations i.e. from exponential form to logarithmic form and vice versa

(1) log_6(216) = 3

(ii) 7 ^ 4 = 2401

(iii) log_5(x) = 5

(iv) b ^ (- 3/4) = 1/27

(v) 125 ^ (x/3) = 25

(vi) log_10(10 ^ 12) = y

(vii) (256) I/4 = 1/64

(viii) log_3(x ^ 3 + 1) = 2

(ix) log_5(2x - 3) = 1

(x) 2x + 1 = 2 ^ 3

3. Find the value of x in the following questions.

(i) log_x(3) = 1

(ii) log_(x + 1)(9) = 2

(iii) log_3(81) = x

(iv) log_2(64) = x + 1

(v) log_2(x) = 4

(vi) log_2(x ^ 2 - 1) = 3

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4. Find the unknowns appeared in the question 2.

Class 9 Exercise 2.2 NBF Maths national book foundation Maths Ex 2.2 federal board Maths

FBISE Math

Class 9 Exercise 2.1NBF Maths national book foundation Maths Ex 2.1 federal board Maths

FBISE Math

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This video is for the students of class 9 related to federal board and the book is published by national book foundation. logarithm and exponential form This video explains the concepts like logarithm which includes writing numbers in scientific notation and standard notation. #9Thmath #9thmaths #federalboardmaths
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سر سوال 2 اور پارٹ 7 میں 256 دو مرتبہ لکھا ہیں