nmadrigal
10.10.2021 •
Mathematics
4. Verify the following for a = 3 abd b = 4.
a). (a+b)² = a²+2ab+b²
b). (a-b)² = a²-2ab+b²
c). (a+b)(a-b) = a²-b²
Solve this all please..
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Ответ:
Verify the following for a = 3 and b = 4.
★ a) (a + b)² = a² + 2ab + b²
Here
↝ a = 3↝ b = 4Now :-
Hence Verified!
━┅━┅━┅━┅━┅━┅━┅━┅━┅━
★ b) (a - b)² = a² - 2ab + b²
Here :-
↝ a = 3↝ b = 4Now :-
Hence Verified!
━┅━┅━┅━┅━┅━┅━┅━┅━┅━
★ c) (a + b)(a - b) = a² - b²
Here :-
↝ a = 3↝ b = 4Hence Verified!
Ответ:
7
here's your solution
to find out this we need to solve it
by this process
140/20 = ??
140/20 = 7
hope it helps and your day will be full of happiness