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a=81 and b =1 (a4-b4) = (a²+b²) (a+b) (a-b) ((81)4 – 14)/82×80× (38+1) = ((81)2 +1) (81+1) (81-1) / 82×80× (38+1) = ((34)2+1) ×82×50 /82×80× (38+1) = (38+1)/ (38+1) =1.
Bluetooth technology, used for short-range data exchange, operates on what type of connection?
Which organization developed a lightweight Carbon-Carbon (C-C) nozzle for rocket engines?
Approximately how old is the Sun?
_________ is a good conductor of heat, but a bad conductor of electricity.
_______ fiber is used in making bulletproof vests.
Who coined the term ‘zeroth law of thermodynamics’ in 1931?
Match the following.
When red blood cells are placed in the three types of solution below, what will happen to the cell?
Why are ventilators typically positioned near the ceiling in rooms?
The Indian Space Research Organisation (ISRO) to launch Chandrayaan-3 mission, which of the following vehicles to be used?
Identify the vitamin known as Phylloquinone that assists in blood coagulation and is found in vegetables like cauliflower and spinach: