Start learning →

Simplify the square root of (7 + 4sqrt3).

A3 + sqrt2
B2 + sqrt3
C1 + 2sqrt3
D4 + sqrt3
Answer & Solution
Correct answer: B. 2 + sqrt3
(2 + sqrt3)^2 = 4 + 3 + 4sqrt3 = 7 + 4sqrt3.
Practise this question with Quill — SSC CGL →

Keep practising Basic Algebraic Identities and Elementary Surds

Browse all Basic Algebraic Identities and Elementary Surds questions for SSC CGL, or explore more Quantitative Aptitude topics.

Start a Basic Algebraic Identities and Elementary Surds lesson →
Related questions
The number zero is the square of how many real numbers?How many real numbers have a square equal to 49?A square of a real number x is less than x exactly when x lies in which range?What is the product of sqrt2 and sqrt8?Which of the following numbers is irrational?The order of the surd fifth root of 7 is what?Which of these is a surd?Which is greater: sqrt3 or the cube root of 5?