Mathematical Expression | MCQs

Explanation

Explanation

SH24-8-2023

Explanation

DMAS stands for

• D-Division
• M-Multiplication
• A-Addition
• S-Subtraction

.................

• DMAS rule State that Division before Multiplication, multiplication  before addition and addition before subtraction.
• ................
• Now Using this rule we conclude that in the following Question multiplication will be done first.

5 × 3 - 4 × 2 + 2 + 1

15 - 8 + 3

18- 8

10 Answer

SH5-9-2023

Explanation

Logarithm of 0 is undefined because there is no exponent you can raise 5 to that results in 0.

In math, log₅(0) has no real value, as logarithmic functions are only defined for positive real numbers.

Explanation

A binomial expression contains exactly two terms, and x² + y² fits that definition.

x²y² is a monomial (single term).

x + y + 1 is a trinomial (three terms).

Explanation

Explanation

Explanation

4+4-4x4/4=?

=4+4-4x1

=4+4-4

=4+0

=4

Explanation

23 × 2 = 46

46 + 3 = 49

49 - 1 = 48

Explanation

In direct variation, two variables increase or decrease together, and are related by a = kb, where k is a constant.

If k = 1, then a = b, which expresses direct variation.