Advertisements
Advertisements
प्रश्न
If * is an operation such that for integers a and b we have a * b = a × b + (a × a + b × b) then find (–6) * 2
Advertisements
उत्तर
Now, put a = –6 and b = 2
(–6) * 2 = (–6 × 2) + [(–6) × (–6) + 2 × 2]
= –6 × 2 + (36 + 4)
= –12 + 40
= 28
APPEARS IN
संबंधित प्रश्न
Find the product, using suitable properties:
26 × (− 48) + (− 48) × (− 36)
Find the product, using suitable properties:
8 × 53 × (−125)
Find the product, using suitable properties:
15 × (− 25) × (− 4) × (− 10)
Find the product, using suitable properties:
625 × (− 35) + (− 625) × 65
Find the product, using suitable properties:
(− 17) × (− 29)
Find the product, using suitable properties:
(− 57) × (− 19) + 57
A certain freezing process requires that room temperature be lowered from 40°C at the rate of 5°C every hour. What will be the room temperature 10 hours after the process begins?
Find (– 23) × 48
(–157) × (–19) + 157 = ______.
In a true-false test containing 50 questions, a student is to be awarded 2 marks for every correct answer and –2 for every incorrect answer and 0 for not supplying any answer. If Yash secured 94 marks in a test, what are the possibilities of his marking correct or wrong answer?
