Math class 10 formulas MCQs, math class 10 formulas quiz answers to learn high school math courses online. Algebraic formulas and applications multiple choice questions (MCQs), math class 10 formulas quiz questions and answers for online school degrees. Algebraic expressions, math formulas, surds and surds applications, math class 10 formulas test prep for high school teacher certification.

Learn math MCQs: a² + b² + c² + 2ab + 2bc + 2ca is equal to, with choices (a + b - c)², (a + b + c)², 2abc (a + b + c)², and (a - b + c)² for online school degrees. Free math student portal for online learning math class 10 formulas quiz questions, MCQs to find questions answers based online learning tests.

MCQ: A² + b² + c² + 2ab + 2bc + 2ca is equal to

1. (a + b - c)²
2. (a + b + c)²
3. 2abc (a + b + c)²
4. (a - b + c)²

B

MCQ: If a + b = 5 and a - b = 3 then value of a² + b² should be

1. 21
2. 15
3. 17
4. 11

C

MCQ: (a + b)² + (a - b)² is equal to

1. a² + b²
2. 2(a² + b²)
3. a² - b²
4. 2(a² - b²)

B

MCQ: If a + b = 5 and a - b = 3 then value of ab should be

1. 4
2. 5
3. 3
4. 6

A