Question

A person deposited Tk. 20,000 in a bank at the rate of profit 10% per annum for a certain period.

a) Determine the profit- principal after one year.

b) In how many years will it be twice of it as profit -principal at the rate 12% of profit?

c) Find the difference between simple profit and compound profit after 3 years?

2. a + 2b − 3c, x² + and x¹ + are three algebraic expressions.

a) Find the square of the first expression.

b) If x 1 = 3, then find the value of third expression.

c) If x + 2, then show that the value of second and third expressions are equal​

Answer 1

Answer:

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