Selection Post Phase XIV (Graduate)21 Sep 2026Shift 1Indices and Surds

Simplify: 72 + 2 × 7 × 3 + 32

सरल कीजिए: 72 + 2 × 7 × 3 + 32

Answer और ExplanationAnswer and explanation

Answer: (A) 100

व्यंजक (Expression) x2 + 2xy + y2 = (x + y)2 के रूप का है, जहाँ x = 7, y = 3
मान = (7 + 3)2 = 102 = 100
जाँच: 49 + 42 + 9 = 100
✓
उत्तर 100 है।
The expression has the form x2 + 2xy + y2 = (x + y)2 with x = 7, y = 3
Value = (7 + 3)2 = 102 = 100
Check: 49 + 42 + 9 = 100
✓
The answer is 100.

Source: Selection Post Phase XIV (Graduate) · 21 Sep 2026 · Shift 1। Solution: Prashant Sir, Vijayastra।Source: Selection Post Phase XIV (Graduate) · 21 Sep 2026 · Shift 1. Solution by Prashant Sir, from Vijayastra.