Question

please help to solve this problems with step by step explanation​

Answer 1

Answer:

Given :-

a⁴ - b⁴

Solution :-

\implies \: (a {}^{2} ) {}^{2} \: - \: (b {}^{2} ) {}^{2}⟹(a

2

)

2

−(b

2

)

2

\implies \: (a {}^{2} \: + \: b {}^{2}) \: (a {}^{2} \: - \: b {}^{2} )⟹(a

2

+b

2

)(a

2

−b

2

)

\implies \: (a {}^{2} \: + \: b {}^{2}) \: [(a) {}^{2} \: - \: (b) {}^{2} ]⟹(a

2

+b

2

)[(a)

2

−(b)

2

]

\implies(a {}^{2} \: + \: b {}^{2} ) \: [(a \: + \: b) \: ( a \: + \: b)(a \: - b)]⟹(a

2

+b

2

)[(a+b)(a+b)(a−b)]

\implies \: (a {}^{2} + b {}^{2} )(a \: + \: b) \: (a \: - \: b)⟹(a

2

+b

2

)(a+b)(a−b)

Step-by-step explanation:

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Answer 2

Answer:

hiiii mate

a) 4 x^2y , -3xy^2 , -5xy^2 , 5x^2y

= 4x^2y +. 5x^2. -3xy^2 - 5xy^2

=. 9x^2y -8xy^2

b). 30ab. 12b + 14a

-- 24ab - 10b - 18a

= 6ab. + 22b. + 32b

i think it helps you