Sarthaks Test
0 votes
760 views
in Mathematics by (11.0k points)

If D is an operation such that for integers a and b we have

Δ b = a × b – 2 × a × b + b × b (–a) × b + b × b then find 

(i) 4 Δ ( – 3)

(ii) ( – 7) Δ ( – 1)

Also show that 4 Δ ( – 3)(– 3) Δ 4

and ( – 7) Δ ( – 1)  ( – 1) Δ (– 7)

1 Answer

0 votes
by (18.2k points)
selected by
 
Best answer
(i) 4 ∆ (–3) = 21, (–3) ∆ 4 = 28, No

(ii) (–7) ∆ (–1) = –6, (–1) ∆ (–7) = 42, No

Related questions

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

Categories

...