Selection Post Phase XIV (Graduate)23 Sep 2026Shift 1Algebra

If x2 + 1x2 = 14, find the value of (x + 1x)2.

यदि x2 + 1x2 = 14 है, तो (x + 1x)2 का मान ज्ञात कीजिए।

Answer और ExplanationAnswer and explanation

Answer: (D) 16

(x + 1x)2 = x2 + 2 × x × 1x + 1x2 = x2 + 1x2 + 2
= 14 + 2 = 16
✓
उत्तर 16 है।
(x + 1x)2 = x2 + 2 × x × 1x + 1x2 = x2 + 1x2 + 2
= 14 + 2 = 16
✓
The answer is 16.

Source: Selection Post Phase XIV (Graduate) · 23 Sep 2026 · Shift 1। Solution: Prashant Sir, Vijayastra।Source: Selection Post Phase XIV (Graduate) · 23 Sep 2026 · Shift 1. Solution by Prashant Sir, from Vijayastra.