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Q: .
  • A. 625
  • B. 225
  • C. 525
  • D. 496
Correct Answer: Option A - a + b = 25 ....(i) a – b = 13 ....(ii) समी. (i) व समी. (ii) से a = 19, b = 6 (a+b)² = (19 + 6)² = 625
A. a + b = 25 ....(i) a – b = 13 ....(ii) समी. (i) व समी. (ii) से a = 19, b = 6 (a+b)² = (19 + 6)² = 625

Explanations:

a + b = 25 ....(i) a – b = 13 ....(ii) समी. (i) व समी. (ii) से a = 19, b = 6 (a+b)² = (19 + 6)² = 625