Question

please help me!! with 10th no. questions​

Answer 1

HI USER ✌

HERE'S YOUR ANSWER ⤵⤵⤵⤵

ALPHA+BETA=-b/a

ALPHA+BETA=-(-5/1)

ALPHA+BETA=5.....(1)

ALSO,

ALPHA-BETA=1....(2)

ADDING BOTH THE EQUATIONS,

⚫2ALPHA=6

⚫ALPHA=6/2

⚫ALPHA=3(putting this value in eq1)

WE GET,

⚫3+BETA=5

⚫BETA=5-3

⚫BETA=2

NOW USING THE FORMULA:

⭕ALPHA*BETA=c/a

↪3*2=k/1

↪6=k

SO,VALUE OF 'K' IS '6'❗❗

HOPE IT MAY HELPS UH ❤✌

Answer 2

Solution-

f(x) = x² -5x + k

$let \: \alpha \: and \: \beta \: are \: zeros \: \: \\ of \: plynomial$

$\alpha \: + \: \beta = - ( - 5)$

$\alpha \: - \beta \: = 1$

$\alpha = \: 3 \\ \\ \beta = 2$

We know that Product of roots= C/a

$\alpha \: \times \: \beta = \frac{c}{a} \\ \\ 3 \: \times 2 = k$

$k = 6 \:$

❤❤❤ Thank U ❤❤❤