Start learning →

x^2 = 49-এর সমাধানগুলি হল

A14 এবং -14
B49 এবং -49
Cশুধুমাত্র 7
D7 এবং -7
Answer & Solution
Correct answer: D. 7 এবং -7
7 এবং -7 উভয়েরই বর্গ হল 49।
Practise this question with Quill — RRB NTPC →

Keep practising Elementary Algebra

Browse all Elementary Algebra questions for RRB NTPC, or explore more Mathematics topics.

Start a Elementary Algebra lesson →
Related questions
RRB NTPC · Algebraic ExpansionsRRB NTPC · Solving Linear EquationsExpand and simplify the algebraic expression: (x + 3)(x - 3)Evaluate the quadratic expression 2x^2 + 5x - 4 when x = 3:If a + b = 10 and a - b = 4, what is the value of a?Solve for x: 3x - 7 = 14. What is the value of x?RRB NTPC · Solve Linear EquationsWhen a system of two lines on the plane has no intersection, what is its solution set?