Advertisements
Advertisements
प्रश्न
99 × 101 can be written as (100 – 1) × (100 + 1)
विकल्प
True
False
Advertisements
उत्तर
This statement is True.
Explanation:
∵ 99 × 101 = 9999
And (100 – 1) × (100 + 1) = 100 × (100 + 1) – 1 × (100 + 1)
= 100 × 100 + 1 × 100 – 1 × 100 – 1 × 1 ...[Using distributive property]
= 10000 + 100 – 100 – 1
= 9999
APPEARS IN
संबंधित प्रश्न
Verify the following:
(–21) × [(– 4) + (– 6)] = [(–21) × (– 4)] + [(–21) × (– 6)]
Check the following for equality and if they are equal, mention the property.
[(– 6) – (+8)] × (– 4) and (– 6) – [8 × (– 4)]
Which property is illustrated by the equation: (5 × 2) + (5 × 5) = 5 × (2 + 5)
Check the following for equality
(8 – 13) × 7 and 8 – (13 × 7)
Check the following for equality
[(−6) – (+8)] × (−4) and (−6) – [8 × (−4)]
Replace the question mark with suitable integer in the equation
72 + (−5) − ? = 72
(–25) × [6 + 4] is not same as ______.
Evaluate the following, using distributive property.
(–85) × 43 + 43 × (–15)
Evaluate the following, using distributive property.
53 × (–9) – (–109) × 53
Evaluate the following, using distributive property.
68 × (–17) + (–68) × 3
