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In this lesson, we will learn how to find the factorial of any number n, which is the product of all integers less than or equal to n and greater than or equal to one, and we will learn how to find factorials to solve problems.

Q1:

Evaluate 4 .

Q2:

Evaluate 6 β 4 β 2 .

Q3:

Find the value of

Q4:

Evaluate 2 7 .

Q5:

Simplify the expression 6 4 β 2 7 2 8 . Give your answer as a fraction.

Q6:

Find the value of π such that π = 7 2 0 .

Q7:

Find the solution set of π β 2 6 = 0 .

Q8:

Find the value of π such that π 8 π β 1 = 5 0 4 0 .

Q9:

Find the solution set of π + 1 π β 1 = 3 0 .

Q10:

Find the value of π that satisfies the relation π β 2 8 6 = 7 π β 2 7 .

Q11:

Find the solution set of 1 π + 7 + 1 π + 8 = 2 5 6 π + 9 .

Q12:

If 1 5 π + 4 1 5 π + 3 π = 9 οΉ π ο , evaluate the expression π + 1 π + 2 + π π + 1 + π β 2 π β 1 . Give your answer as a decimal.

Q13:

Evaluate 7 ! + 6 ! + 5 ! .

Q14:

Given , find .

Q15:

Simplify the expression 2 8 2 7 β 4 6 4 7 , giving your answer as a fraction.

Q16:

Evaluate 1 .

Q17:

If 2 π + 1 3 2 π β 1 2 π βΆ π = 1 7 1 βΆ 8 , find π .

Q18:

Given 8 π₯ β 5 π = 6 7 2 0 , evaluate the expression π₯ β 7 .

Q19:

Given that and , find the values of and .

Q20:

Evaluate .

Q21:

If 2 5 Γ π π₯ = 2 5 π 0 , find the value of π₯ β 1 7 .

Q22:

Find π§ such that π§ = 1 2 0 .

Q23:

If π₯ + π¦ 2 π = 6 0 0 and π₯ β π¦ = 3 6 2 8 8 0 , find 2 π₯ β 3 π¦ .

Q24:

If π + 1 4 π βΆ π π β 3 = 7 , find π .

Q25:

If π β 1 8 π + 1 8 π βΆ π = 1 βΆ 4 5 , find π β 1 .

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