1 Algebra • Algebraic Simplification यदि a और b शून्येतर संख्याएँ हैं, तो (a + b)⁻¹(a⁻¹ + b⁻¹) का मान ज्ञात कीजिए। If a and b are non-zero numbers, find the value of (a + b)⁻¹(a⁻¹ + b⁻¹). A. ab ab B. 1/ab 1/ab C. a + b a + b D. 1/(a + b) 1/(a + b) उत्तर और व्याख्या देखें Show answer and explanation सही उत्तर: B Correct Answer: B (a + b)⁻¹ = 1/(a + b) तथा a⁻¹ + b⁻¹ = 1/a + 1/b = (a + b)/ab। अतः दोनों का गुणनफल 1/ab होगा। We have (a + b)⁻¹ = 1/(a + b) and a⁻¹ + b⁻¹ = 1/a + 1/b = (a + b)/ab. Their product is therefore 1/ab.